Main rangeCompact range of productNS630b...1600 product or component typeCircuit breaker device short nameCompact NS1250H device applicationDistribution poles description3P protected poles description3t network typeAC breaking capacity codeH suitability for isolationYes conforming to IEC 60947-2 utilisation categoryCategory B trip unit nameMicrologic 2.0 trip unit technologyElectronic trip unit rating1250 A ( 50 °C ) Complementary network frequency50/60 Hz control typeRotary handleToggle mounting modeFixed mounting supportBackplate upside connectionFront downside connectionFront [In] rated current1250 A ( 50 °C ) [Ui] rated insulation voltage800 V AC 50/60 Hz conforming to IEC 60947-2 [Uimp] rated impulse withstand voltage8 kV conforming to IEC 60947-2 [Ue] rated operational voltage690 V AC 50/60 Hz conforming to IEC 60947-2 circuit breaker CT rating1250 A breaking capacity65 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-270 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-285 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-242 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-250 kA Icu at 500/525 V AC 50/60 Hz conforming to IEC 60947-2 [Ics] rated service breaking capacityIcs 52 kA 380/415 V AC 50/60 Hz conforming to IEC 60947-2Ics 31 kA 660/690 V AC 50/60 Hz conforming to IEC 60947-2Ics 37 kA 500/525 V AC 50/60 Hz conforming to IEC 60947-2Ics 48 kA 440 V AC 50/60 Hz conforming to IEC 60947-2Ics 52 kA 220/240 V AC 50/60 Hz conforming to IEC 60947-2 auxiliary contact composition1 NO/NC mechanical durability10000 cycles electrical durability2000 cycles IEC 60947-2 690 V In AC 50/60 Hz3000 cycles IEC 60947-2 690 V In/2 AC 50/60 Hz4000 cycles IEC 60947-2 440 V In AC 50/60 Hz5000 cycles IEC 60947-2 440 V In/2 AC 50/60 Hz local signallingPositive contact indication [Icw] rated short-time withstand current19.2 kA trip unit protection functionsLI protection typeInstantaneous short-circuit protectionOverload protection (long time) long time pick-up adjustment type IrAdjustable long time pick-up adjustment range0.4...1 x In long time delay adjustment typeAdjustable 9 settings [tr] long-time delay adjustment range0.5...24 s 6 x Ir0.7...16.6 s 7.2 x Ir12.5...600 s 1.5 x Ir thermal memory20 mn instantaneous pick-up adjustment type IiAdjustable instantaneous pick-up adjustment range1.5...10 x Ir integral instant protection40 kA height327 mm width210 mm depth147 mm Environment standardsIEC 60947-2 product certificationsASEFAASTA power losses44 W IP degree of protectionIP40 conforming to IEC 60529 IK degree of protectionIK07 conforming to EN 50102 pollution degree3 conforming to IEC 60947 ambient air temperature for operation-25...70 °C ambient air temperature for storage-50...85 °C Offer Sustainability Sustainable offer statusGreen Premium product RoHS (date code: YYWW) REACh Product environmental profile Product end of life instructionsNeed no specific recycling operations Contractual warranty Warranty period18 months
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